<template>
  <div :id="id" :class="className" :style="{ height: height, width: width }" />
</template>

<script>
import tdTheme from "./theme.json"; // 引入默认主题
// import '../map/fujian.js'

export default {
  name: "echart",
  props: {
    className: {
      type: String,
      default: "chart",
    },
    id: {
      type: String,
      default: "chart",
    },
    width: {
      type: String,
      default: "100%",
    },
    height: {
      type: String,
      default: "2.5rem",
    },
    options: {
      type: Object,
      default: () => ({}),
    },
  },
  data() {
    return {
      chart: null,
    };
  },
  watch: {
    options: {
      handler: function (options) {
        if (options.jsonData) {
          this.initChart(options.cityName, options.json_full_real);
        }
        // 设置true清空echart缓存
        this.reSetOption(options)
      },
      deep: true,
    },
  },
  mounted() {
    this.$echarts.registerTheme("tdTheme", tdTheme); // 覆盖默认主题
    this.initChart();
  },
  beforeDestroy() {
    this.chart.dispose();
    this.chart = null;
  },
  methods: {
    reSetOption(option) {
      this.chart.setOption(option, true);
    },
    initChart(cityName = "", data = "") {
      if (data && cityName) {
        this.$echarts.registerMap(cityName, data);
      }
      // 初始化echart
      this.chart = this.$echarts.init(this.$el, "tdTheme");
      this.chart.setOption(this.options, true);
      this.chart.on("click", (params)=> {
        this.$emit("echartClick")
      });
    },
  },
};
</script>

<style>
</style>
